add test suite to setup.py

Author: Seth Miller

setup.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-from distutils.core import setup
+from setuptools import setup
 
 setup(name='rac',
     version="0.1",
@@ -9,5 +9,6 @@
     author_email='seth@migrantgeek.com',
     url='https://github.com/migrantgeek/python-rac',
     py_modules=['rac',],
-    scripts=['bin/racadm']
+    scripts=['bin/racadm'],
+    test_suite='tests'
 )